Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Luxemburgo recebeu quantas medalhas de ouro?
 ###Tabelas: CREATE TABLE federal_election_results (federal_election_results_id AUTO_INCREMENT PRIMARY KEY, Election INT, # of candidates nominated INT, # of seats won INT, # of total votes INT, % of popular vote VARCHAR) CREATE TABLE first_division_final_table (first_division_final_table_id AUTO_INCREMENT PRIMARY KEY, Position INT, Team VARCHAR, Played INT, Drawn INT, Lost INT, Goals For INT, Goals Against INT, Goal Difference VARCHAR, Points 1 VARCHAR) CREATE TABLE complete_list (complete_list_id AUTO_INCREMENT PRIMARY KEY, Dep. VARCHAR, Chief town VARCHAR, Arrondissement VARCHAR, Population (1999) VARCHAR, Area (Square km) INT, Pop density INT, Cantons INT, Communes INT) CREATE TABLE medal_count (medal_count_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Nation VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE singles:_26_16_titles_10_runners-up (singles:_26_16_titles_10_runners-up_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score in the final VARCHAR)  
SELECT AVG Gold FROM medal_count WHERE Nation = luxembourg